Pressure-releasing structure of basement anti-floating plate and construction method thereof

A technology of pressure relief structure and construction method, which can be applied to basic structure engineering, protective devices, buildings, etc., and can solve problems such as anti-floating

Active Publication Date: 2013-06-12
四川省建研万瑞科技有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a basement anti-floating plate pressure relief structure and its construction method, to solve the current anti-floating problem of the

Method used

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  • Pressure-releasing structure of basement anti-floating plate and construction method thereof

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Embodiment

[0035] Such as figure 1 As shown, the pressure relief structure of a basement anti-floating plate of the present invention is produced by the following construction method, comprising the following steps:

[0036] (A) Foundation pit excavation: Excavate the foundation pit according to the design drawings. It is required that there is a distance of more than 3m between the surrounding of the foundation raft and the side wall of the foundation pit. If there is a loose structure such as sand and stone, it needs to be replaced and filled. The height of layer 10 should be 5-10cm below the level of gravel layer 4;

[0037] (B) Lay the geotextile 8; the geotextile 8 should choose a model with a larger width as much as possible, and there should be at least 15cm of overlap at the lap joint, which is required to be flat and fit the foundation pit as much as possible;

[0038] (C) Use continuously graded coarse sand with a particle size of 1-4mm to lay a gravel layer 4, the thickness o...

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Abstract

The invention discloses a pressure-releasing structure of a basement anti-floating plate and a construction method thereof. The pressure-releasing structure comprises a cushion layer and a basement bottom plate on the cushion layer, wherein water-collecting pits are formed in the cushion layer and the basement bottom plate; a layer of hardpan is paved below the cushion layer; filtering layers are paved around the water-collecting pits; flow-guide pipes are paved in the hardpan and are gathered in the filtering layers; flow-leading pipes are arranged on the side walls of the water-collecting pits; and the water-collecting pits are communicated with the filtering layers through the flow-guide pipes. Water generating floatation outside a basement is led into the basement, so that the floatation is reduced. The hardpan is paved below the cushion layer, so that the problem that water outside foundation pits of the basement is gathered is solved, the underground water is collected through a flow-guide pipe arranged in the hardpan, the flow-leading pipes change the underground water into gravity water in the basement, and the problem of the floatation of the underground water is completely solved from the construction starting stage of a building.

Description

technical field [0001] The invention relates to a basement structure and a construction method in the construction field, in particular to a pressure relief structure of an anti-floating plate in a basement and a construction method thereof. Background technique [0002] Over the past 30 years of reform and opening up, with the rapid development of the economy and the acceleration of urban construction, people have higher and higher requirements for the use of basement space. The number of basements and civil air defense basements is increasing, and the area is also increasing. In the design, how to solve the anti-floating problem of the basement has become a frequently faced problem, which has attracted extensive attention of engineers. The anti-floating design of the basement is divided into three situations: 1. After the construction of the basement is completed, the precipitation stops. At this time, even though there are many layers of the above-ground structure, the se...

Claims

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Application Information

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IPC IPC(8): E02D31/12E02D19/10
Inventor 熊柱红刘广均罗苓隆
Owner 四川省建研万瑞科技有限公司
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